Since The Middle Of The 20th Century,

Ice Ages Have Come And Gone. Coral Reefs Have Persisted.

You Should Know What Is Taken Out Of The Ecosystem In Order To Give You A Moment's Sustenance.

The Exxon Valdez Spill Triggered A Swift And Strong Response That Changed Policies About Shipping, About Double-hulled Construction. A Number Of Laws Came Into Place.

Throughout All Of Human History We Have Consumed The Natural World. All Creatures Do. Birds Do. Fish Do. Earthworms Do. We Consume The Natural World As A Source Of Our Survival. But No Creature Has Ever Consumed At The Scale That Humans Have, And Now There Are Seven Billion Of Us. I Think The Good News Is That A Large Percentage Of Those Seven Billion Minds Can Work To Make Better Decisions.

Earth As An Ecosystem Stands Out In The All Of The Universe. There's No Place That We Know About That Can Support Life As We Know It, Not Even Our Sister Planet, Mars, Where We Might Set Up Housekeeping Someday, But At Great Effort And Trouble We Have To Recreate The Things We Take For Granted Here.